<s>
CTPP	B-Language
(	O
or	O
CT++	O
)	O
is	O
a	O
template	B-Application
engine	I-Application
completely	O
written	O
in	O
C++	B-Language
.	O
</s>
<s>
It	O
has	O
bindings	O
for	O
Perl	B-Language
,	O
PHP	B-Application
and	O
Python	B-Language
languages	I-Language
.	O
</s>
<s>
As	O
represented	O
in	O
the	O
diagram	O
below	O
the	O
architecture	O
of	O
the	O
template	B-Application
engine	I-Application
consists	O
of	O
4	O
subsystems	O
:	O
a	O
template	O
compiler	O
which	O
converts	O
the	O
text	O
of	O
the	O
page	O
template	O
into	O
bytecode	O
,	O
a	O
virtual	O
machine	O
which	O
executes	O
the	O
bytecode	O
,	O
a	O
caching	O
system	O
for	O
templates	O
,	O
and	O
a	O
library	B-Library
of	O
data	O
processor	O
functions	O
.	O
</s>
